It has two versions to choose from, stable or development version. Synfig also allows you to add and sync audio to animations with the built-in audio editor.Additionally, it features a bone system that makes it easy to create animations with bitmap images. You can also add geometry, filters, distortions and transformations making it robust and versatile.This powerful software comes with support for many layers, within animations. Multiuser support makes it an excellent animation software for team/group projects.And the icing on the cake is that Synfig is completely free because it is open-source.
But once you get the hang of it, you can create masterful 2D animations. One of the more advanced 2D animation software is not particularly easy to master, making it hard for beginners/students. Synfig is another excellent 2D animation software with a lot of useful features.